大连四方电泵有限公司
Dalian Sifang Motor-pump Co., Ltd.
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Business license
Qualifying supplier certificate of CNNC
Occupational health and safety management system certificate
Admittance certificate for PetroChina material suppliers
Credentials issued by banks
Shielding pump permanent magnet patent
Shielding pump production permit
Liaoning small and medium enterprises specialize in special new products Gold Award
Liaoning provincial science and technology award certificate three prize
UN registered suppliers
